add migration

Author: Maggie Chen

backend/typescript/migrations/20251115184107-add-skill-category-column-in-reviewed-applicant-records.ts

@@ -0,0 +1,16 @@
+import { DataType } from "sequelize-typescript";
+import { Migration } from "../umzug";
+
+const TABLE_NAME = "reviewed_applicant_records";
+
+export const up: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().addColumn(TABLE_NAME, "skillCategory", {
+    type: DataType.STRING,
+    allowNull: true,
+    defaultValue: null,
+  });
+};
+
+export const down: Migration = async ({ context: sequelize }) => {
+  await sequelize.getQueryInterface().removeColumn(TABLE_NAME, "skillCategory");
+};